V4L/DVB (4056): Cx88: Add basic support for Leadtek Winfast DTV2000H card

Add DVB-T and PAL-G television support for Winfast DTV2000H

Signed-off-by: Malcolm Valentine <farkit@iinet.net.au>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>